Canon Extender EF 2x II lighting so we're mot taking about

so we're mot taking about cutting edge technology: the screen is tiny

Basic and easy to use- and it runs off a pair of common AA batteries (included)

it's not a real camera

4 USM lens is a classic 50mm f1

The A900 is a solidy built

Canon Extender EF 2x II lighting so we're mot taking aboutCanon Extender EF 2x II teleconverter, in excellent cosmetic condition. Doubles the effective focal length of the lens mounted to it. Since the teleconverter extends into the back of the lens, not all lenses may be mounted. Please confirm compatibility between your intended lens and this teleconverter. Clean glass and excellent function. Includes front and rear caps, pouch, and box.